The reason this happens is that salt is hygroscopic. Hygroscopic means that salt absorbs water vapor from the surrounding air. Eventually, the salt attracts enough water vapor that the gas changes into liquid, and the salt partially dissolves and starts to clump together. To combat this tendency, manufacturers put additives in salt that keep it from liquefying.
Itchy Red Bumps on Chest and Back bumps on the back. Bumps are common on any part of the body. They could appear as a result of an allergic reaction, a disease or skin disorder. These may be caused by bacterial, viral or fungal infections. Some of these bumps may be localized on a certain part of the body or spread all over. Itchy red bumps on chest and back are common.
Types of Acne Blemishes. The information entered on this page will not be used to send unsolicited email, and will not be sold to a third party. Acne refers to the appearance of blemishes, or small, inflamed bumps, on the surface of the skin. Acne typically appears on the face, chest, or back but can also appear in other places. It affects millions of people, regardless of age, ethnicity, skin type, and gender. All acne blemishes start the same way: Pores, which are tiny openings in the skin where hair emerges, become clogged with oil produced by glands connected to these pores.